Withdrawal of bus passes would have consequences
Even if his proposal were restricted to withdrawing them from better-off pensioners, it all depends on what is meant by being “better-off” and would involve means-testing, which is generally accepted as being inefficient and costly, so the only way to save money would be to penalise the less well-off as well.
The result would be that these unfortunate people who have spent their lives contributing to the country will become increasingly home-bound and isolated — their health will deteriorate and they will become an even more costly burden on the state’s social and health services.