Its definitely the way to go if you play a lot of accounts. I have 32 accounts and it takes about 3 clicks and 6-7 sec to swap and load up a new base...
I have lost my supercell but I have the email/gmail that is connected to that account and when l'm logging in , It is showing login from supercell id...
actually this is a very very old bug i have experience that bug so many times over the years it stopped a while ago for me but it looks like im also...