Aren't their vaccines significantly less effective than Moderna, Pfizer, etc.? In that case, I'm not sure we should let their earlier release reflect negatively

Aren't their vaccines significantly less effective than Moderna, Pfizer, etc.? In that case, I'm not sure we should let their earlier release reflect negatively on those that took longer to be ready. On the contrary, maybe we should instead consider the possibility that the Russian and Chinese vaccines were rushed.