Indeed, it seems very common, but that doesn't make my original point less true.
> the "last meter" delivery is still done using HTTP too, via a local gateway
Yeah, that seems common too, but less "wrong" to call it "IPFS support" in that case, in my opinion.
Running your own IPFS gateway at least makes the content actually fetched from the network (internet) via IPFS while using ipfs.com/cloudflare-ipfs.com is not any different than just using a CDN (except usually you have to pay for CDNs, IPFS gateways seems to be free (for now)).