So many 10k eggs these days

yes. in particular though, so many dratini hatches.

https://thesilphroad.com/science/secret-egg-rarity-tiers-pokemon-go

Rarities jave changed. Pokemon in 10km eggs used to all be rare and ultra rare. Now there are 10km pokemon at all rarity levels, with Dratini notably at common.

Just two days I received 3 10k eggs. Hatched 2 Larvitars and a Pineco...The same ones for me.

hatched pineco + dratini today, 1 more 10km goingn..

have hatched 16 10km eggs since gen2, another one picked up today and not hatched yet. Based on the my result(i know it is limited sample size and cannot prove anything), I feel the 10km eggs are closely correlated with the biomes where the pokestops are located. e.g. almost all(4 out of 5) my dratini hatches are picked up where dratinis are spawned. while all my pineco eggs(4) are picked up where a lot of grass/bug types are spawned. I know some research said there is no correlation between the eggs and the biome, but i feel it is possible the researches are outdated and maybe since gen2, they are correlated now? Anyone has the same experience or otherwise?