Right you are again, I lazily relied on
english WP.
That page isn't incorrect. When BSV first split, their max block size was indeed 128 MB. However, it is now 4 GB, and their total blockchain is over 8 TB.
My interpretation of the OP has been that, as the total chain size (not individual block sizes) grows ever larger, prohibitive hard- and netware costs may cause a (further, potentially massive) decline of full nodes.
With current bitcoin block sizes, I still think hybrid pruning (as per my posts above) might be part of a solution to that potential problem.
Yeah, if you don't have the storage space for the entire blockchain then running a pruned node instead of a full node is a logical step. However, it's probably worth pointing out that even after 14 years, bitcoin's blockchain is yet to hit 500 GB in size, and you can buy a 4 TB hard drive for under $40 bucks. I don't think we will run in to the problem where it is prohibitively expensive to run a full node for a
long time.