Update: PSA is from 2008. It was just recently recirculated.
The device of absurd comparison is not exactly groundbreaking, but at least this PETA PSA features some good writing and funny acting:
The creative team of Dan Neri and Scott Murray of Matter, along with Director Steven Tsuchida of Oil Factory, are also the ones responsible for this similar PETA PSA from 2008:
And this one:
I think you get the idea