Sure the longer that bitcoin is around, the more and more longer term bitcoiners are going to be dying off, and they are already dying off in the 15 years that bitcoin has been in existence.. so the greater the adoption and the longer that bitcoin is around the more and more examples are going to exist in regards to bitcoiners are dying off with their bitcoin and sometimes family members are not going to end up knowing that they had bitcoin that ended up not getting passed on to anyone (except to all bitcoin hodlers in a form of a reverse tax.. which is the increasing of BTC's scarcity).
Yes, maybe that's true, as time goes by, Bitcoins will become increasingly rare, the reason could be none other than because the owner died. I remember when Mircea Popescu died in 2021, He had 1 million BTC in his wallet. But if he hadn't given access to his family, maybe BTC would have disappeared from circulation because no one could access it if they didn't know the initial phrase. It is very likely that in the next 50 years many of us will have died and we will have to provide information that we have Bitcoin in our wallet so that it can be accessed by our family or our wives.
We also have to tell our children or our wives about the long-term investment we make in Bitcoin so they can take it when we are no longer around. No one knows what will happen to us in the future. Therefore, I am sure that many BTC will be lost, which will make BTC increasingly scarce in the years to come.