Don't see any harm in it. It'll be more rigid and last longer. If it was me, I would take some 2" angle and make a railing around it 12" high. That will increase it's strength by a huge margin, make it safer and more useful.

__________________
-Evan


Benz Fleet:
1968 UNIMOG 404.114
1998 E300
2008 E63


Non-Benz Fleet:
1992 Aerostar
1993 MR2
2000 F250