That is quite a standard paste pad for a larger SMT ( 0805 and above ) part. that being said, i dont' use them and solder balls have never really been an issue for me.
That being said, i put a LOT of work into my stencil design, and i do not want any modifications made them. When i order i place very explicit instructions in the notes, which seems to work.
" DO NOT ADJUST APERTURES. APPLY NO REDUCTION. MAKE AT 100% AS PER SUPPLIED GERBER "