[they] should add “the waiting lists are too long.

They have, for your information :)

He said: "The government was presiding over this problem long before any industrial action - waiting lists were steadily getting worse for the decade leading up to the pandemic arriving.

“In fact, it is these waiting lists - and doctors being unable to do their jobs because of underinvestment, workforce shortages and rota gaps - that lie behind the strikes they’re being forced to take now.”

reference