The Brief: Ops is an abbreviation for "opinions."

DEEP DIVE
The term “ops” usually refers to opinions. Its most common usage is for someone to ask for or share their “ops on” – opinions on something.
ops on this pic.twitter.com/Q5UpOZwKuI
— ruby (@calmolatunji) February 7, 2019
Ops on this pic.twitter.com/LkFCjVcDuq
— niamh ☁️ (@wroetomar) February 7, 2019
What’s your ops on this new free to play Battle Royale🚀#OurGalaxy pic.twitter.com/1jY57X4G5w
— Orbit (@OrbitClan) February 5, 2019