The definition is widely accepted now to include targeting either a group, or an individual[1]. The "stochastic" component is that no individual or group is being specifically directed by command to carry out the attack, but the speaker is knowingly or negligently adding rhetoric to incite someone to do so.

But you're also conflating terms: criticism is not an incitement to violence. An incitement to violence is specific: "I think it would be great if some implied violence happened to that group I don't like".

It's specifically not considered ST to say something like "I hope some legal consequences happen to this person who I think is committing crimes" because amongst other things, that's a call to the application of the justice system, not terrorism.

It's also worth noting that other incitements, like encouraging someone to commit suicide has been found to be a punishable crime - and this is the sort of action Kiwi Farms specializes in and openly supports against their targets.

[1] https://en.wikipedia.org/wiki/Lone_wolf_attack#Stochastic_te...