Yes but we live in a highly anti-competitive monopolized world now. With more to come under the new admin.
It’s not a monopoly but it’s close.
I couldn't even name another provider except maybe Hetzner
You could also argue that YT is on GCP (to some level) and that would probably bump that number up much higher.
The vast majority of people hosting things on the internet are on these providers. But you get downvoted for pointing that out now.