That's not the point.

" Steve Pond who is the current ROAR president and did confirm the 22 is still race legal and he also confirmed that saddle packs are ok too.
The idea is to keep a car designer from coming out with a chassis that only works with a specific size of battery pack. This rule was created in due to the increase of the “shorty” packs but it goes further since they don’t want to see a new type of LiPo pack that is so different it can’t fit into anything but this new type of chassis it was designed for.

If they can stop that from happening it will keep costs down for the racer since they can buy a standard size pack from many different companies and it will fit into their car, and it will make it easier for dealers since they don’t need to stock special size battery packs designed for only 1 type of car. This will make it less complicated for everyone involved."