If you have a 6E / 6GHz capable client, a 6E router will help a lot with interference. The 6GHz band is new enough that its not likely to be crowded.
However, since its so new, you're unlikely to have a 6GHz capable client... There are 6Ghz capable PCIe cards (desktop and M.2 form factors), but I haven't seen any 6Ghz wifi USB adapters.