The fact is, the Thai fanbase is simply too small. Thai brands don't see any value in you, which is why they aren't invited to Thai events. They prefer inviting artists from big agencies like GMM and DMD.
If you Thai fans want to be taken seriously, you need to spend more money, boost the data, and show up at offline events. If Thai brands don't see any value in you, why would they invite TTML to attend Thai events? With an invite, Andy won't refuse Thai events.