I think this timestamp-as-a-boolean is a good idea if the field is always going to be interpreted as either True or False and nothing more. If the field in question allows for a 3rd (uncertain) value, then using a timestamp would be extremely confusing.
Would you be so kind as to recommend some resources about caching? I’ve read the basics, but have yet to dive deep on it
That certain amount must be a rather fun one knowing his insulting prowess