Propagandist Sheynin manages to kill two birds with one stone with this completely conspiratorial nonsense: he is pushing both anti-Western and homophobic agendas.
The myth of Pride parades being a forced and foreign construct rather than a genuine outcry of the society demanding respect for basic human rights is a very popular one on Kremlin TV.
You can find more quotes on this topic by clicking on Misogynist and Homophobic Quotes of Russian Propagandists.