There used to be barriers to entry into tech - eg no internet, no github - you had to trawl the newsagents for magazines, buy them, spend your weekend typing out code listings, then debugging all the misprints. Enthusiasts only. Nowadays, tech is just another job, non-enthusiasts welcome. University quality varies considerably, and many degrees cater to the just-another-job crowd - the degree is really just a java degree, minimum required get-a-job skills.
What an absurd statement - everything he's done is to make twitter profitable and viable as a business - reduced headcount, reduced systems, reduced perks, .... He was already high profile in numerous spheres so no amplification was required. It's obvious that you don't share his viewpoints, and so you're simply slinging mud. It's the opinion of many that Musk didn't even want twitter, as a megaphone or otherwise, that he screwed up, obligating himself, and now has to make a successful business of it.