I don't necessarily mind flip flops per se. But they can certainly be problematic in some circumstances. E.g., John Kerry's flip flop on the $87 billion funding for Iraq and Afghanistan turned out to be a problem for him:
https://www.youtube.com/watch?v=esUTn6L0UDU
what
Kerry's flip flopping was a major problem for him in the 2004 presidential election, and it's not my fault that most of the posters here were barely even old enough to be alive for that election, and thus don't mention it in a thread about flip flopping. But I'm here to set you all straight about flip flops.