A few updates ago (novemberish I think) they roughly doubled them. At the time they also seemed to increase the rate you acquired them so basically I was getting straight up double what I was getting before. Like almost 6.5k off some lairs 10k off some colo.
Then a few days after that update they had a reive campaign which doubles rate but not caps which ended up not actually doubling rate... but when the campaign ended the rates went back down to old values. At first I thought it had completely undone that update but playing around with things it seems caps are still raised but might be completely unreachable even solo with rates unchanged. I've reported it as a bug but they don't appear to be doing much about it
And even if not it's not always great to take more time. Like I used to do a few in inner courts a lot. Normally just going at it pre-cap would be around 3-3.4k usually capping or near capping with up to 2 people if we did just AoEs and didn't go super fast. Ie just simple spaming T1 agas. After update you could get a lot more but going at the same speed same method would end up with about the same (ended actually being a tad less for me since my gear had improved since I had last seriously farmed which is kind of hilarious). Even solo didn't end up with too much more unless I would wait for add repops a few times