Bandwidth (throughput+latency) is much bigger issue than HDD storage.
Latest news was that bandwith is no issue. That was why thinblocks was not accepted by core.
If Bitcoin becomes a new reserve currency, it will be about as useful to small people as gold (IE not for everyday coffee purchases).
What?
You mean, we don't need to make bitcoin usefull now, because it will be a reserve currency?
Really?
Thinblocks weren't accepted by core for reasons besides "bandwidth is no issue." Is there even a thinblock BIP under consideration?
Bitcoin is already useful, right now. You may stop fretting and pouting about that. Bitcoin is on a trajectory to become a reserve currency.
Did you read the two statements from Hal and davout? Did you learn anything from them? If you did, it isn't obvious. You need more clues! Or maybe you just need less misinformation. Try staying away from /r/btc. It's a hotbed of lies, conspiracy theories, and other forms of agitprop.