Where has all the original content gone?
It's all the same to me.
When blog content is the same on many a blog, why follow them all? Of course it will rarely happen that a blog will have zero original content, but yes, I've encountered some who have an estimated 8:2 ratio of promotional to original content. Makes you wonder about what's the point in blogging at all if you don't come up with anything yourself? Well, obviously it won't keep some bloggers to continue doing what they're doing. As for myself, I find this boring on the verge to annoying.
Blog tours and cover reveals are valuable tools when it comes to promoting books and authors, yet sometimes it's way too much for my taste. The fact that these blog posts are often generic doesn't help much either. I mean, I like interviews and guest posts as much as the next reader, but if you find the exact same posts on countless blogs, I move from being interested to being turned off.
Quantity over quality?
To some bloggers it's more about keeping readers entertained by posting regularly, even on a daily basis, than to go post-less for too long. When I decided to switch from daily blogging to my current schedule of four days a week I did so knowing that I could put enough original content into those and I didn't feel like posting "fillers" in form of press releases and book blitz events just for the sake of having daily posts to boast about.
Personally, I wouldn't buy a newspaper that's 80% ads and 20% original content, but then again maybe that's just me. Reading blogs is free, yet do you really want to get the same ol' same ol' where ever you look? Didn't think so! When a blog starts to become all fluff and no substance to me, I'm sorry to say, I will unfollow. Of course the odd promo post here or there won't turn me off, because it's really about finding a good balance to make the content of a blog interesting to readers. Ultimately, of course, your blog = your decision.
Balance is key.
What's your take on blogs who lack original content? Are you as easily annoyed by blog tours or cover reveals as I am? How much is too much for you when it comes to promotional posts?