Many of these ideas are valid, particularly the one regarding consistent practice. Over time, deathmatch and seeing more skilled players greatly improved my marksmanship and decision-making. It takes time to change, but little behaviors add up.
However, I believe that having fun with the game is also quite important. I occasionally take a break from my work to simply explore other areas of the community, such as case-related articles or guides. While exploring, I came across this list: https://skinkings.com/cs2-case-opening-sites/. It was intriguing to see how various platforms are contrasted.
To be honest, I was able to maintain consistency without burning out by striking a balance between practicing and simply loving the game.