Thanks for reply, but you are missing my point..

IMHO, a pilot license should be awarded solely based on the flight
proficiency, aeronautical knowledge, and flight experience.
Surrendering ASEL clearly does not affect my flight proficiency,
aeronautical knowledge, and flight experience, but they will issue me a
glider license if I do so. Then, I should have a glider license now. Am
I wrong?


BT wrote:
why
I have to spend $1000 here.

BEcause you want to fly and keep both your US ASEL and Glider rating?
BT