Use of Guymager as default imaging tool?

[bitsgalore]

Looking at:

https://groups.google.com/forum/#!topic/bitcurator-users/WrjzpzFjjLI

and:

https://askubuntu.com/questions/429675/guymager-device-disconnected-acquisition-paused

This makes me wonder if Guymager is really the most suitable tool (esp. for media that may be faulty). Especially given that it has no mechanism to resume imaging after an interruption (like ddrescue).