Is that true? IIRC they still need to do the legal paperwork to get an email from google et al (FISA request?).
The safeguards are actually much much better than what the opinions would lead you to believe on here.
People really seem to get off on the idea that they are on the targeting list of an intel service but you actually have to put in some real work to meet that criteria. If you’re buying drugs for example even the relevant LE authorities will at most knock on your door to scare you assuming you live in an English speaking jurisdiction.