These are not forces bro, just a few hundred people having similar opinion on price movement.
Their time horizon is a few bars. That's it.
Then even investors can be termed as operators with a bigger time horizon, as few thousand of them saw some potential in a particular quarter results and bought.
Electronic markets do not have operators.
Though traders want to believe they exist from the very bottom of their hearts as they want someone to blame for the spike that took out their stop loss