dairymilkbatman
Yep, closed source router firmware the reason why people like it because it’s not backdoored and it also gets updated frequently to keep hacked out.. You also have more control over your router and have a Linux firmware and open source at that, I will give you some other open source router firmwares you can check out.
DD-WRT Linux firmware and open source. (iOS & android app also)
Openwrt
FreshTomatoe
Pfsense