Correct, but miners are operating on the assumption of revenue now, and not 8 or 12 years down the line when transaction fees eventually exceed the block subsid

Correct, but miners are operating on the assumption of revenue now, and not 8 or 12 years down the line when transaction fees eventually exceed the block subsidy. By that time, the network effect will be so large that Wikimedia will not be able to just ignore it to pacify a small group of whining overgrown children.