Yes GD: It is very likely "...ที่จะมีความเงียบเป็นคำตอบ...". I had asked government authorities and had no replies before. I had written to newspapers and not getting responses. It is hard to get people's attention to matters outside their comfort zone. Bu if no one tried, and tried again...

Will someone who read this talk to friends and ... till it reaches someone BIG in MoE?

(It makes me wonder what are MoE public servants doing to advance Thailand.)