Your are right. If you don't stake in 6 Month you will loose your work payment. But who wants to see his work results after 6 month? Smaller billing periods are always better. You got a shorter feedback loop.

I am really sad that if have switch to fast to solo.
My first month in Gridcoin looked like this:
The first week my graphics card driver was a mess. Only 1/3 of possible work
performance. After that i lost working bonus for several weeks because of Mag. 0 issues.