The entire point of blockchain is to create a permanent ledger of all transactions. Therefore it is trivially easy for software to calculate capital gains and losses once a year. Services already do this. No need or excuse for this subsidy.

https://twitter.com/ylanmui/status/1551861539304624128

If you buy something—basically anything—and it goes up in value, and you pay for something with it, you have a capital gain. Crypto should be no different. They are trying to piggyback onto a limited exception for foreign currency, which is intended to spare travelers hassle.