Those systems are trivial to shut down by any central authority. I would not classify those as decentralized.
Do you think a p50 user goes for such measures to get to a service?
> basically every single one of them is capable
Absolutely not. My mother is not capable of doing that.
https://www.reddit.com/r/germany/comments/2hxy4j/help_me_ger...
Or blocking the bootstrapping?
https://www.reddit.com/r/ipfs/comments/tzrkoc/is_ipfs_blocke...
There are plenty of options.
Your IPFS link is a screenshot of someone failing to access docs.ipfs.io in a standard webbrowser over HTTP.
Are you aware how many people use VPNs? Also take a look at how Tor Project hand out unlisted entry points into their network - IPFS could take a similar approach if it really came to it.