I've seen this tendency on HN - if this person/entity does something, I suspect it must be bad or selfish.
On the subject of HTTPS - do you think the interests of ordinary consumers are in any way served by continuing on HTTP? Countless websites, even those accepting login credentials used to think that it was acceptable to not take the trouble to set up HTTPS. The only thing the operators of these websites cared about was being marked "insecure" by the most popular browser. The shift to HTTPS was a definite win for privacy for every person who uses the web.
But no. Apparently, the "biggest reason" for the people working at Google pushing this because it was good for Google. They didn't care about all the benefits for end users, they only cared about themselves.
It's sad that slander like this can become mainstream view in a forum like HN.
Disclaimer - no connection to Google in any way. Don't even own Google stock.