>"Why is it not ok for tech companies to be big, but a-ok for telecom, oil, banks, law firms, audit firms, and all the other traditional companies to be huge?"

It's not OK for for telecom, oil and banks. I don't hear anybody saying that nor do I believe it is a popular opinion.

>"Ever since Trump took power, the media has been beating the "evil tech company" drums loudly and clearly."

You realize there's a tangent between the Trump election and how social media was used during the election right?