You can go on the discord, ask for support. If they do not know why, I reccomend attempting to recieve the owners attention.
YES! SAME HERE!!! 
I am so angered by this system!!!
It's because you spam. Writing useless/unneeded is considered spamming and judging by your forum activity, you can expect to lose even more XP.
in 3 steps
Choose the game that interests you and play itfor free.
Every game has some quests for which you will receive Soul Gems.
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
You know that on Gamehag you can get real rewards for free, right? Join us, complete walkthrough and get your chest!
I dont know how but misty always demotes my level twice or thrice for no reason at all.All i did was watch the ad TV and then comment and talk on forums.but it says you have been demoted for your disgraceful behaviour