It's very context-dependent - the seqera rewrites so far seem to be pretty reliable, most of the work was spent merging the functions of multiple data QC tools into a single program (previously, there was a lot of redundancy that wasted compute). The success of other rewrites that I've seen tends to depend on the author's care/experience and usefulness. In my experience, bioinformaticians are fairly slow on the uptake of new software which might actually be an advantage here :-)
In defense of a lot of these bioinformatics-specific rewrites, there are some really dodgy coding practices and bugs that exist in well used tools, so there is scope for genuine improvement. The most recent release of minimap2 fixed some bugs identified in a rewrite, for example: https://github.com/lh3/minimap2/releases/tag/v2.31