All deposit bonuses/welcome bonus at any casino will definitely have wagering requirements and additional rules/T&C so that the promo is not cheated by abusers.
I have to admit that there are still some casinos that do not write clearly about these additional rules, but CoinRoyale has clearly listed the terms and conditions for the promo here
https://coinroyale.com/welcome-bonusThey have a long lived business so they have enough experience to know about cheating habit and they do good things by composing detailed terms for their Welcome Bonus Program. It is good to avoid cheaters come and test their platform, bonus and end up with non sense accusations against their business. It's what CoinRoyale team aware and they avoid it by the program terms.
If you say some of the terms are unfair, that is your own opinion and does not represent everyone.
When terms of a program are written clearly and announced publicly, it's user's responsibility to read it and decide to join or ignore the program. If they join but don't read terms, their accusations later will be non sense.