You should never really need them to put tyres on, although some tubeless ones can be a pain, and mostly don't need them to get them off either.
I see your thumbs and raise you Campag Pista with Veloflex Master, the only time I have reached for strips of metal in 30 years.
@ColinTheBald started
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You should never really need them to put tyres on, although some tubeless ones can be a pain, and mostly don't need them to get them off either.