They didn't outright lie in the commercial, and they didn't make any direct comparisons to the Xbox 360 or the Wii.
They Said "The Cell has 8 SPEs" which is entirely true, it DOES have that many, they don't tell you that one is disabled to allow for manufacturing defects, one is reserved for the OS and another just busses data to the other 6 leaving developers with just 5 for actual game use.
As for talking about millions of calculations per second. Also not a lie, they said the the cell can do that and it can, just because they don't tell you that pretty much every modern processor can do millions of calculations doesn't make it a lie.
Honestly I think these are some of the best game console advertisements I've seen recently
The first Sony advert I saw was the AI one on the European PS3 website (it's in HD and done in the same style).
Why do I think these adverts are good? Because even though they exaggerate the truth through leaving out information and showing visuals to reinforce the exaggeration they are educating the consumer.
After watching an Xbox 360 ad what do you know about the console? NOTHING, hell you don't even know what the frigging thing looks like? People are jumping rope and an Xbox logo... great I don't care.
The PS3 ad tells the consumer exactly what makes their console so great, it lets them imagine the kinds of games that might be made for it, and it puts a reason behind the price tag.
After watching an Xbox 360 ad how much do you know about the console? How much do you know about the games? Could you tell me what kind of processor it has? What kind of Discs it uses? Is it HD? Is it even more powerful then the Xbox 1? What does it look like?
Heck "is the 360 just an Xbox 1 accessory? ... a game? ... what is it? ... I don't really care anymore CSI is back on and I only own a PS2 anyway."
After watching the PS3 ads how much do you know about the console? You can tell people that it supports Blu-Ray discs, you can tell people it uses a Cell processor, you can tell people it's capable of 1080p High Definition.
You need to realize that people here in the forums are far far more informed about these things then the general public that make up most of the consumers.
I STILL TO THIS DAY run into people who honestly think that the Xbox 360 is a "slim" Xbox 1 similar to how the Slimline PS2 replaced the fat one. HONESTLY... what is MS doing to inform these people, not much really. It also doesn't help that 4 out of 5 kiosks I walk by STILL aren't setup correctly and are showing 480p letterboxed and stretched to widescreen on a 720p LCD making it look like total garbage graphically.
The people who know about the 360, and what it's capable of only know by word of mouth and research they've done themselves.
Sony's advertisements can instantly make any viewer who even has a remote interest in video games a walking talking Sony zombie: "I'm going to buy a PS3... I'm going to buy it because it has Blu-Ray, Cell and 1080p...."
Sony hasn't lied in these commercials, but they've creatively carved the nuggets of truth to let people's imaginations fill in the blanks with the person's own self crafted lies resulting in a perception superior to the product.
Most importantly they're telling the consumer exactly the message that they want to hear, they've made the console seem SO incredibly impressive that when they walk into the store and see $600 they'll think "really, that's it? heck it's cheaper then a Blu-Ray player, of course I'll buy one"
It wouldn't even matter if the 360 was twice as powerful, had a built in HD-DVD drive, and came with every game released for the system so far... KNOW ONE KNOWS ANYTHING ABOUT IT, simply because MS's advertising sucks by comparison.