I trying to see if I can do better correction or retouch, or figure out what went wrong back then to not make same mistakes in future.

Also, your taste in editing can change over time quite a lot. There are 'trend' editing styles I think that aren't as timeless as they first seemed :)

Nowadays everyone with mobile is photographer and it's even harder to stand out from the crowd.

I am hobby only so for me it is just a journey of my life. Sharing them on Steem is fun though and it means in my articles I only use my own photos which hopefully means less copyright issues in the future :)