Thebes casino,

I remembered reading on Thebes website, I saw 1st deposit is 200%, 2nd deposit is 300% and 3rd deposit is 400%.  I completed the 1st and 2nd deposit, but then they just change the bonuses on their website.  1st deposit, 2nd deposit and 3rd deposit are 200%, 100% and 100% respectively. 

I also saw Rome give out a generous bonuses at other site, 500%, 300% and 100% for 1st, 2nd and 3rd deposit.  Why they didn't give us the same?