Well, it's called progress.Pitty for those 1660 user. Outdated so soon by a $60 cheaper GPU.

Anyway, half a year after launch 1660 remains ~15-20% faster than this for around 35% more.
It's not that different from how Nvidia cards "lose value" normally.
New generation comes out every ~1.5 year and it usually shifts the lineup by a step.
In 2H 2020 we should see a $250 card with performance beyond 1660Ti (maybe halfway to 2060). That's life.
On the other hand, most people game for maybe 5-10 years, so half a year is relatively quite a long time.
