This is a publicity stunt. All she had to do is to mute him. But she didn't and made a tweet about it. Now she haves gaming journalists writing articles about her.
EDIT She could have talked to Riot Games support without making the tweet. But she didn't.
For Samsung phones. Go to Settings -> Device Care -> Under Performance you will see Auto Optimization -> At the bottom of the page you will see Auto Restart -> Restart on Schedule -> Done.
EDIT So people are for an company who removed DDoS protection for a web site without proof of wrong doing. Just because a mob of people cried and screamed about said site. Really? That's just sad.
Corporations, governments and very political users has sterilize the Internet. You can’t be edgy/tell edgy jokes without being called racist, sexist and so on. Also the Internet is being walled garden by said parties. Due them closing down sites. By removing the ways the sites can keep themselves going, like cutting off payment processing companies. If the mob cries or/and screams hard enough. They can remove you and web sites from the net. Look what happened to Kiwi Farms. Cloudflare had Kiwi Farms back. But the mob cried, so Cloudflare dropped Kiwi Farms.
Can the Internet ever be fun again? Will, it's going to be hard to go back to the old Internet. Look at who we are fight against. Can it be done? Yes, but it's going extremely hard.
Sony has a long history of data breaches and hacks. https://firewalltimes.com/sony-data-breach-timeline