The only reason not to use it is the kyc requirements. If you want ₿,  and you don't care if everyone knows, then it's fine. Strike is also a good option. 

 They promote shitcoins and sell chain analysis software. Would you prefer to support this degenerate company, or a bitcoin focused company that actively tries to improve the ecosystem? 

 There are several ways to get bitcoin without revealing your real identity. Coinbase has limits to withdrawals capping at .08 BTC per week. From the point of withdrawal your coins will be tied to your identity and can be tracked unless thoroughly mixed(which costs fees). Also there's the ick factor that they promote shitcoins, work with the central banks and US Gov regulators, and hold Blackrock, fidelity, and other ETF coins which makes them a hacker's honey pot.