That is several new coins for every active person on the internet, every year.
Also, the blockchain might require terabytes after a decade.
ps. if you do show up, please clarify if it is going to be a zero to 10k reward which is a different situation, or actually 10k fixed per block
Imagine saying "the blockchain might require gigabytes after a decade" in 2004. Here in 2014, you can get 64 GB on something the size of your smallest fingernail for $30-$40. Terabytes after a decade won't matter a bit.
That said, I was thinking of it all, memory bus, disk r/w speed etc.
This decision makes sense if Doge intends to stay the "great comment, I give you 10000 doge for that" fun-currency and drive out everybody whose primary intention is financial gain.
Why have a whole system that accomplishes no more than merely typing the words did? Stick with the words. Easier, faster, just as much fun.
Easier? Yes. Faster? Yes. Just as much fun? I don't know. Psychologically a Doge has still more perceived worth than than karma. At least to me.