My home inspection of Speedmaster heads

Wow that plug really looks like it is down in there. Hmmmm.
And it’s in a TF head at that. I raised both eyebrows when I checked the SM’s with a plug, but just on looks alone yeah....hmmm! Maybe someone can run a plug in and post a pic to show this on the SM? Here’s an interesting link:https://www.hotrod.com/articles/hrdp-1005-spark-plug-reach-tech/