LG 43UJ701V 43 Smart 4K TV: WRGB Issues, Worth Keeping, or Alternatives for 20m² Room?

Hello, what do you say about this TV LG 43UJ701V 43 "Smart 4K because I bought it and read something about problems with WRGB and I do not know if he has and advise me whether it is better to replace it because I have 14 days for it and how so for what?

1. How big is the room where the TV should be? 20m ^ 2
2. How far are we from the TV screen? 3m
3. How many people sit in front of the TV? 2-3
4. Are we sitting in front of the screen or sideways to the screen? differently
5. Is the TV supposed to stand or hang? be
6. How does the sun shine in the room? from the side
7. What is your TV currently? I do not have
8. What do we want the TV to have? ?? not specified
9. What signal will be connected to the TV? DVB-T
10. What devices? home cinema
11. How many hours a day does the television work? 8
12. Does it happen that you watch only one program for several hours? 2
13. What kind of programs do you watch the most? News, Movies, Sport
14. Are you going to surf the internet? I think so.
15. Do you intend to play games - if so, how much% per day? yes 50%
16. Brand preferences? Lg, Samsung
17. Size preferences? 43
18. What annoys you on TVs? Price
19. Do you watch more in the evenings or during the day? Rather in the evenings but a child by day
20. Up to what maximum amount do you plan to buy? 2500
21. How often do you change TV sets at home? until it breaks
22. Do you use internet applications often? often

If you also watch it sideways, stay with IPS because it has better viewing angles than VA.

yes, I also look sideways, but the matrix is hard to see like a mirror during the day and I wonder whether to replace it with something else, are all these matrices shiny now?

Matów is gone.
There are half-mats.

at a price of up to PLN 2,500, how good would it be half-matte? because now I wonder whether to replace it at all

How reflexes and matrix mat / semi mat is key, see the list of models tested by Rtings:
https://www.rtings.com/tv/tests/picture-quality/reflections-screen-finish-matte-and-glossy

In the price class you have very good models:
- TCL 43P60 for 1850 PLN
- Philips 43PUS6501 for 2399 PLN