The recent Hareidi protest PR device of wearing a yellow Star of David really rankled many.
Some thought it totally innapproriate to exploit Holocaust symbols while others said that accusing Israel, for that is the comparison that comes to mind, of similar Nazi-era crimes is evil.
When Soviet Jews wore them:
I guess it was okay.
(Vladimir Slepak is in front row, third from left and Dina Beilina is second from right)