Yeah, teasers are about the best I'll do for the same reasons. Most good reviewers don't go into plot too much or spoiler-y. The ethos at RogerEbert.com is to

Yeah, teasers are about the best I'll do for the same reasons. Most good reviewers don't go into plot too much or spoiler-y. The ethos at RogerEbert.com is to help people make informed decision. Same for those sites targeted to parents. The trailers are all marketing, to hit people over the head over and over again. Not to mention commercial tie-ins that ruin things (looking at you Black Panther Lexus commercial during the Olympics). It's funny that advertising costs have actually increased for movies in this era of pretty much free buzz via social media platforms.