Because it is a repetitive, low-value comment which gets spammed to basically every thread that's even tangential to Google.
Because do you see what's happened here? Whatever interesting discussion there might have been to be had on this project has now been smothered by the top-voted comment being just a tired repetition of the same "Google kills products, hehe, hehe" echo chamber. (I don't know if there really is that much discussion to be had on the actual topic of the post, but it should at least get a chance!)
Source: I work at Google
For how much longer? Stadia devs sure thought they were in for the long haul.