Let's set aside whether or not 8 gold and a bunch of tickets is worth the time sink. (Although I think most people would agree it's not.)
How many hours on average does Anet think constitutes an average "weekly" time spent in wvw? Speaking for myself, it's probably 4 hours on the low end, and closer to 10 on the high. And wvw is all I play; I just don't have buckets of time to play the game overall. So, fine, let's say 6 hours for me.
I was lucky and got to flip smc one underpopulated night. Normally that doesn't happen in a week of playing. Keeps: 5, again no problem, mostly because on reset a few kept flipping back and forth. Past reset, though, this becomes a lot harder as keeps tier up and are better defended. Towers: 10 -- nope, at the end of this week I'm sitting at 6 towers. And believe me, I tried. Camps/yaks: way too many, took too long. I basically had to sit and grind nothing but camps/yaks for an hour and a half this evening, which was just LOADS of fun let me tell you. Yaks die way too quickly when running with a zerg, which means not everyone gets a hit; if you hit a yak solo, die before it does, and someone else kills it -- you don't get credit (unlike the same with basically everything else in wvw!)
So: either adjust the numbers for camps and yaks and towers downwards, OR change the rewards to be tiered so you get a bit of gold/tickets at various levels. ALSO, of course, add rewards for defending. Right now it's skewed very heavily towards "let the opposing team flip the thing so you can flip it back after, repeat".