Imho, the decision as to whether to join the third group in the lawsuit should be based on the following:   1)  Are you at NVC or the embassy?  If yes, then keep going down this list 2)  Are you at a travel banned country?  If yes, then keep going down this list 3)  Do you have $2000 that you can afford to spend on this opportunity?  If yes, then keep going down this list 4)  Do you think Biden will keep illegally using the travel ban to prohibit K-1 visa issuance?  If y