From the principle behind block halving it is evident that bitcoin will maintain its total supply of 21 million because 50 BTC halving occurs in every 210,000 blocks which mathematically sums up to around 21 million.
Consider this scenario, Gold is a highly valuable asset right? Because it is scarce and been trusted over the years as exchange. Just Imagine if Gold was as common as other fiat that can be printed at anytime, then its value would have been same or similar to fiats. Thesame applies to bitcoin, if the total supply increases then value also decreases.
We value bitcoin today as a digital asset (digital gold) because it possess similar characteristics as gold, if this is altered in anyway then I don't see any reason to hodl because the value will keep depreciating over time.