...A balance is needed, so that there's not too much rushing or camping.
"Camping" on flags is 100% justified, it is what this game is about (at least partially) and there is not enough of it ATM, if you ask me. It is WWII game after all, you know. People do rush too much instead of staying and defending flags on many occassions, even if they have all assets needed for efficient defense, so we need to encourage them to stay more often as lack of proper defense can quickly end as a disaster for one of the teams. The problem is that defending cannot be scored more than attacking, because technically, attacking is more difficult, hence score for that should be at least the same. Anyway, this would not affect gameplay much as many players wanna run 'n' gun and they will still do that, no matter the points they gonna get for doing something different, they probably don't like. Also, consider the fact, that flag defend points are given only for kills done in the flag zone, and flag capture points are given only to the one soldier per flag. On many maps, capturing doesn't happen very often too.