Speaking more broadly - yeah, Russia is an authoritarian populist regime with a known penchant for human rights abuses and suppression of political dissent. And so it's going to be judged as such when it does things, not equally to any other country. This is similar to how we judge people differently, and ascribe different motivations, based on their past actions that we know about.
And state and especially local politics are easier to influence, too. State politics more so in states that have some form of voter initiatives (which mine does), which rewards grassroots bottom-up efforts.
Moreover, the law does not actually prevent the companies from storing data somewhere else -- Article 12 mentions many allowed reasons to send the data to other countries.
What this law, however, allows is for government to apply pressure on the company by treating to seize their servers (such as this case: https://torrentfreak.com/police-shut-down-russian-rapidshare... ). I see no other reason for the law.
Petty attempt to force big companies to pay for Russian hosting.