If the SCOTUS does not shoot down the lawlessness of dem states who remove Trump, the only avenue that remains for republicans would be for republican run states to remove any and all democrat candidates. If they don't, the controlled opposition (republican party) will be even more controlled by the democrat party. When an opposition party in a republic is allowed to dictate who can run against them, the result is a failed constitutional republic. I.e., we are witnessing our constitutional republic turning into a banana republic. God help us!
Yes, this does create an existential threat to the country.