pull down to refresh

Re: shrinking block subsidy
If in the end only a couple hundred thousand ppl end up using btc then the longer term security budget will reflect that and I don't see what the problem is.
Is there a concern that btc might be overvalued relative to current on-chain fees? And want to try and fix this by prolonging the block subsidy? Seems like it could have unintended consequences but I could be wrong.