I would call that BS considering how fundamental Russian science is....our population tends to dramaticize superficiality these days. We did well by exiting because we need to invest in our own like Tejas and its versions.
This is old news, I think their electronics are good enough now. They did fall back 90s and early 2ks but now they are functionally as good. May be they can do mig-35k for IN for IAC-1 and pitch that to us