Sure... See this is the whole problem with upgrades: upgrades are supposed to improve things but more often than not they break things. In this case the fact that stuff would break was quite predictable. The options to continue to support the non-javascript based branch of FF with plug in support with security updates but for some reason the decision was made to totally ignore backwards compatibility and to forcibly migrate the userbase to a new version without taking into account the problems that would cause. In some cases those problems are substantial, and the security risk then is outweighed by the damage.
This is one reason why the software industry as a whole sucks, we just do not give a damn about the users.
