They are waiting to see what happens to Trump
Exactly
Non news.
They're also not interested in funding Trump's legal bills.
It was actually quite clear in the article, based on all the quotes, they are waiting on the challengers in the “non-Trump lane” to consolidate. Apparently the debate could play a major part in that, and Trump win’t even be there. Sounds like they already know what would happen to Trump in the general election.