I don’t get why this wiesel is controversial. If it’s to strong then it will move up in br. At some br every tank has thermals and stabilizer and they shouldn’t really have problems dealing with the wiesel.
It would be similar to the type 87 RCV with lower fire power but thermals and smaller.
People can’t be really afraid of the wiesel 1A4 either. It has very poor stats at thunderskill: