Should Filter Cranes unlocking before Regular Cranes

[GeneralTanker]

I noticed you can unlock the Filter Crane before the Regular Cranes. Should it be possible or should the Regular Cranes be a tech prerequisite?

[nicolas-lang]

At the moment this is expected, each crane only depends on the "parent" inserter, and no additional technology inheritance is implemented between the cranes themselves.

I would consider it a decent addition.
Can't promise a time frame (very low priority).