Apple and Google Are Introducing New Ways to Defeat Cell Site Simulators, But Is it Enough?

Disabling 2G isn't a practical solution outside the US. As the article noted 2G networks are still up and running in most countries 30+ years after being first commercialized, and even if 3G/4G/5G are available.

It's a good example as to why it's a bad idea to weaken communication standards for legal/surveillance reason. Protocols remain in use for decades for comptability reasons, and it's hard enough to build secure protocols without politicians actively trying to weaken them.