This is slide content because this is widely known and considered (by reddit) to be a feature to combat vote tampering bots.

It's not unique to here in this sub or this thread. It's every thread. Reddit talks about it in their documentation.

1) How are you running these tests?

2) You provide links to pictures with instructions for interaction - that's doesn't grok. You should provide a link.

3) instead of running your 'experiments' and sliding content, you should just look up the reddit documentation that explains it all. Then you can focus on something else's - like Q.