It's political. Liberals are generally suspicious of large companies, but are used to getting nowhere in fighting them. The conservative agenda has been controlled by big companies for a long time.

(This is the black-and-white version. I know it is inaccurate and oversimplified! Obviously the true story is more complicated.)

But these tech companies are big companies that are liberal to an unheard-of extent. So when a few liberals target them, the usual opposition is strangely missing.