There is a vicious cycle of “it-kids” making it to the highest level of professional sports and burning out because of expectations. That is not to say that there should not be expectations, but they need to be developed within the proper context. Just because a player was a first round pick does not mean they will immediately jump to the league and register a 60 point season.
In the case of Filip Chytil, the New York Rangers have a great luxury. The organization as a whole has plenty of time to bring the Czech center along and get him NHL minutes against quality opposition.