They’re already eating each other alive. From Fox News:
There’s also this:

@jaykuo

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The inability of a fractious Republican conference to choose a leader would render the House virtually powerless, unable to do anything except keep voting to pick a speaker. If that fight dragged on for more than three days, it would threaten Congress' ability to hold a constitutionally mandated joint session on Jan. 6, 2025 to certify the results of the presidential election.

@jaykuo

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That would set up a constitutional crisis with no obvious solution. Congressional aides and constitutional experts have been puzzling over this scenario for months and have yet to arrive at a strategy.