Permatex is a brand, not a specific product. Your recommendation is the same as telling someone to buy Mobil oil w/o specifying weight or formula. Not every anti-seize is the same; hence why there's a myriad of options. Metal composition, environmental hazards (not just temp), thread spec, torque properties, etc, all need to be taken into account.
Silver is generally used for Aluminum parts
Copper shouldn't be used on SS
Aluminum shouldn't be used with Carbon Steel
Nickel is a carcinogen and shouldn't be handled much or where it could be vaporized and breathed in
Graphite for use in electrically conductive applications
Marine grade and food grade, well, duh
A heavy-duty, metal free anti-seize will usually be compatible with all metals and to very high temps.
Choose wisely!