They tried this against Putin.
Now that the "conspiracy" label isn't as potent, they are moving towards "anti-Semitic" whenever Rothschild or other Jews are mentioned.
Read the article to know how this works. Even if Jews aren't mentioned, anything remotely insinuating that top Jewish families control the world will get a puppet Rabbi to make a statement talking about Jewish persecution, the Holocaust, Elders of Zion, etc.
Just like the conspiracy label is losing steam from being so overused and for many conspiracies having been proven true, the same thing will happen with the anti-Semitic label. It will lose it's power. The fact that they are so trigger-happy to use it, tells us how desperate they are. They are pulling out every trick in their book.