The US has a 2-party system. Those parties will tend to be very loose and ideologically diverse coalitions almost by definition.

There is an interesting philosophical issue around these accusations of "distributed hypocrisy". It would be one thing if you were pointing to a particular individual who took an inconsistent position. But if two loosely affiliated individuals disagree, that's not necessarily hypocritical. Even a single individual may change their mind on an issue over time.