Does size matter for a monitor, big or 3 small ones?

Question

Monitors

An example of a large
Asus

An example of a small

one Here are more examples

Opinions differ on the Internet, an extra overpayment, it is inconvenient for someone.

1 - matte
2 - tn matrix, response speed 1 ms
3 - convenient to code
4 - convenient to play new and old games like SWKotOR 1
5 - convenient to watch movies

What do you recommend?
What brand or specific model?
Why this particular model or company?

Naturally, the question is for those who have used or are using 2 types.

Answer 1

There are as many opinions as there are people and tasks in the world:
Someone likes 2 monitors, someone likes 1, someone likes minimized windows, someone needs full screen, someone likes to divide a 4K field into sectors, someone vice versa prefers 4 separate screens. etc.