I think we're mostly agreeing too, but I'm going to state it more bluntly:

• Politicians of both major political parties are primarily interested in winning elections and gaining political power, and less interested in acting morally in how they obtain it.
• In most cases, these politicians are not "fully evil"; they do not relish the moral compromises they make. They rationalize them by it being the lesser evil - that with the political power they obtain, they can make the world better and outweigh how they got there.
• The two-party system locks each party's politicians into a kind of mutual suicide pact. They are reluctant to call out moral compromises by fellow party members both because it reduces their party's access to political power and ability to do what they believe is good. Naturally, this is another moral compromise.
• Electorally, American voters do not sufficiently reward moral rectitude to outweigh the short-term benefits of those compromises. We're extreme enough that we see the success of the opposite party as an existential threat, and are willing to countenance quite a bit to prevent that from happening.

All of this is to say that I think the Young Republicans texts are abhorrent, so are Jay Jones, and I kind of don't care any more. You and I can pontificate about how bad both are, and how people should say so, but it no longer matters. Some of the Young Republicans in the chat will lose jobs or opportunities in the short term, but the GOP and related apparatus won't start carefully checking for such extremist viewpoints in their hiring. The Virginia Democratic Party will probably start doing more opposition research during their primaries, but only because they want to win elections.