Rightly so. While the state has a right to prohibit individual actions that cause harm, such as hate speech or incitements to violence, it would be a massive human rights violation to ban access to platforms generally, as it would silence a space where constructive dissent is organized.
“Whataboutism” is a logical fallacy that presents a counter-accusation in lieu of the question being discussed. What you present here is a textbook definition. The topic is the US’s involvement in supplying Ukraine with a specific type of munition, and not the broader question of how the US allocates its money generally.
It’s an Albany excretion.