I have 3 players ( a dad who does not travel) and year 1 ( 2015) when I realized that companion pass was not just a one time use like many other companion passes were each able to get about 185K WN points as you could get 2 personal 60K cards plus a business and the was no 5/24.

Doing so gave us about 575K WN points off the bat and as I pointed out flights were super cheap back then so we weren't burning the 180K each person could get every 2 years.

I have no idea if it was really called the Thank You card, that is what I wrote down. Back then there were very few rules regarding getting the same card again so there wasn't much need to keep precise records as far as exactly what type ( product) of card you opened.