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Maybe. “Allowed” suggested that they wanted or welcomed it.
A bunch of formerly powerful people in the Republican party are now much less powerful. Many of them have been sidelined in the Republican party and replaced. Several prominent former Republicans have effectively switched to the Democrats.
The Republicans and Democrats have differences in how they structure their organizations but neither one wants to intentionally allow outsiders to take over.
There is already a foolproof method that is immune to any abuse of trust by admins; create an alt account.