Can we get inactive users off the site?

can we get inactive users off the site. like make a certain rule about how long you can go without being on the site before the profile is removed? I'm tired of answering questions of people who haven't been on the site in over a month or so. cause they'll never see my answer, right? and they forgot to select best answer anyway so. the questions not even in "solved questions" section

so can we get inactive users off of here, please
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Can we get inactive users off the site?
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