As nostr:npub1ej493cmun8y9h3082spg5uvt63jgtewneve526g7e2urca2afrxqm3ndrm points out, tail emission is not necessarily inflationary (https://petertodd.org/2022/surprisingly-tail-emission-is-not-inflationary).
On the other hand, I agree with you and the video you shared that changing bitcoin’s monetary policy destroys its value proposition. Hopefully Satoshi knew what he was doing.