Repeal of the 17th Amendment is central to reestablishing a constitutional republic.
In order to get the kind of Senators you want, you’d have to also limit suffrage to the same kinds of people able to vote in 1789. For those that don’t know, it would be explicitly limited to landowning White males over 21.
Are you willing to support that ? If not, it will just be the corrupt caricature of special interests it was in 1913, but far worse in the current climate.