By being a monopoly

How so? There are dozens of website hosts and DDOS protection services around.

having a unique chokehold on the internet

Have they ever utilised it in any extent?

Even if we don’t get into their ties with various governments that they inevitably have to have

That sounds suspiciously close to "I have zero proof but I think they're doing X". Can you elaborate on those government ties?

the fact that they alone can cripple the internet is concerning

Imagine a hosting company that's 100% open-source, 100% vegan, 100% green, 100% pro-consumer. Their service is so good that the vast majority of the Internet starts using them.

Do you start hating them at the point where they reach, lets say, 50% market share, just because they managed to grow that large?

I guess what I'm asking is: do you have any concrete cause for the Cloudflare hate, or is it just a "they're big therefore they must be bad, because big == bad"?