Yeah, I believe that too.
Of course, I didn't start IGP from a time on when the first version of PB came out already. But I saw one video about TingThing working with PB and I was waiting long before PB really came to us. There was a long silent period after that I saw a video about PB so it was possible that TingThing decided to cancel it, however, but I still expected it to come silently. Then it came and I wanted to start my main project but I had a lot of difficulties to make decisions so I started a new project several times until I finally decided to create no remake nor game with certain rules. I decided to start with IGP which is my own idea completely and which have any level that I have in my mind.
It was long before big sprites for the bosses were possible. This was that time when I already tried to make my own bosses.
I have tried to make whatever I want with PB... I can say that I simply have had faith in PB considering TingThing's programming skills, persistence, and his personality also.
There were some times when PB was really limited also for me but hey, it was just started and being a bit weak was absolutely normal.
I know how much time it takes everything to make for me so I just worked on things I could do in the same time when PB got stronger also which allowed me then to start much more complicated things. I for sure had faith in PB becoming much more advanced than most of fan game toolkits but it became even better than I could expect.