What is the danger of the Russian app store RuStore?

When you buy a phone, it already has many applications installed. Games, social networks, manufacturer's proprietary programs, and so on. But according to the 2019 law, Russian applications must be installed on phones imported to Russia. Moreover, according to the new draft of the Ministry of Digital Development, a Russian store must also be included with them, which will replace the factory one. But how safe is it to use all this? The Russian authorities monitor us and collect our personal data at every opportunity. Can they use the software pre-installed on the phone for this?