Definitely planning on it, after my splash and xbows are maxed. I agree with you though.
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To OP, you didn't rush it at all, you max most of the defense (except Tesla). And if your researches are all done, rather go to TH8 than let them idle.
Anyway, you miss some opportunity of easy loot.
1) Easy DE to upgrade your Barb King. Chance of attacking (premature) TH9 for 150%
2) Easy Gold for the Walls by attacking TH6 with only 10% penalty (TH8 attack TH6 get 50% penalty)
I don't think the inactivity will cause the account to disappear. Can you just have someone log on for you every week or so?