they not share information so easy, but probably like everyone they will drop most of domains, becouse now there is no sense to hold them and pay reg fee when few cents from parking.
2,5k is not so much i drop down from 8k to 1,5k domains for last 2 years. And probably i will go to 500 till end of this year. (All get by "expired" software). Also know person who still hold 5k domain on parking. Pity that this industry from begin is so closed everything is on private groups.
for someone who not have monthly payouts I understand that does not matter, but You know there are some big players here who get few houndred or even xxxx$ monthly.