Here's our most recent thread on the topsy-turvy tomato planters:
https://www.helpfulgardener.com/forum/viewtopic.php?t=33025
It is 11 people saying it didn't work for them and one person saying they had success with it.
If you type topsy-turvy tomatoes or upside down tomatoes into the Search the Forum keyword box you will find more written here about them.