Inefficiency of modern Russian aircraft and tanks

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We are talking about those divisions that are opened at the last level of the industry. The planes do not have effective weapons, they are significantly inferior to similar models of the United States and NATO, France. As an example, we can cite such aircraft as MiG35 and Su57 - compared to the characteristics of F16 and F35, the production of MiG35 and Su57 does not make sense at all. I would not be outraged if there were no weapons in the game that could be installed on these planes, but they are available - air-to-air missiles P27 and P77 for MiG35 and P77 for Su57. Another problem is modern Russian tanks. And this applies not only to Russian tanks, but also to tanks of other countries. Their price is too high. The effectiveness of tanks on the battlefield does not match their price, which makes them absolutely impractical. This concludes my presentation of my thoughts.
P.s. If you found spelling mistakes, I apologize, my knowledge of English is low.