I think you want to know if "far more trouble" refers to quantity or quality of 'trouble'?
Whether it means "a lot of troubles" or "serious trouble" ?
The answer is it could mean either, or both.
Technically, 'trouble' as a uncountable noun (as in the phrase 'far more trouble') means the general condition. Therefore it could increase and become one more 'serious trouble'. But often of course one general condition of 'trouble' may, if ignored, cause other 'troubles'