It's nice to have the option either way, but if merchants offer irreversible methods I usually pick them rather than pay a 1+% premium to cover chargebacks from scammer customers. For some customers irreversible is a big plus, if they trust the merchant.
A former tech giant that has seen its dominance being swallowed by competitors and now cornered into numismatist and other collectible.
Sure it's a very profitable company for its inveators, but a friend of mine used to work there until recently and he used to describe it as a dead shell that merely lives out of rent-seeking on its legacy.
Good luck attracting investors if you have the same business plan today.