this post was submitted on 29 Nov 2025
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Better than nothing but, according to the research, as useful as nothing. If you know in advance it will work on a particular car's glass then that's a different story. But if you give it as a gift or buy one without knowing and it turns out to be useless it grants a false sense of security. Someone may repeatedly try using it in an emergency instead of trying a different strategy.
You say that like it's settled fact. Was the "research" peer-reviewed and published in a reputable journal? Has it been replicated?
Did you read the article? It's the entire reason this post exists. There are two citations that will answer your questions.
Yes I read the blog post and the linked "research". There is no indication that it has been replicated or even academically reviewed.
The linked PDF is even missing sections 8 & 9 listed in its TOC.
There, you answered your own questions. Now we know that you are just one replication study away from either feeling justified or changing your mind.