Whether you like Roy Moore or not and whether you support him or not is actually irrelevant to the issue of expulsion from the Senate. The allegations against Moore are decades old. He was not running for the Senate when they occurred nor is he presently in the Senate. If voters choose to send Moore to the Senate, the Senate should honor the will of the people even if you and I disagree with the vote.
To do otherwise sets the precedent that the Senate can exercise its disciplinary powers over someone’s conduct decades before they were in office. That is asking for partisan abuse in an increasingly partisan atmosphere. The Senate can, constitutionally, make its own rules and govern the discipline of its own members. But I think it is constitutionally dubious to believe the Senate’s powers to control and govern the discipline of its members applies to times decades before they were members.