Having an indoor pet goose is a massive undertaking. Especially when it's a baby, it's there ALL THE TIME. I respect you so much for talking yourself out of it - it's a huge responsibility.
I got my goose when she was 8 days old, and for the next three months she spent every second with me or her goosesitter. It's so cute how they imprint on you, but it does get old after a while. I'm lucky to have a retired neighbor who loved to be the goosesitter when I needed to go someplace. But still, it always involved a lot of planning ahead - rushing a gosling is almost impossible without stressing it.
Even me going to the bathroom required some planning. I couldn't just go if the goose had fallen asleep - she would wake up immediately and panic after me. So I either had to wait for her to wake up or get someone to sit with her and talk to her while I tiptoed away. Same thing if she was eating, drinking, bathing or preening herself. And that's what goslings do 95% of their time. Having an imprinted gosling involves a lot of just sitting around.
The diaper worked most of the time. But when it didn't - yikes. I vividly remember the morning I woke up with the gosling resting in my long hair. It was so adorable - except she had managed to pull her diaper off, and my hair was glued to my pillow with goose poop. And then I couldn't just leave her and go take a shower - had to get a goosesitter first.
She's all grown up now and much more independent. She spends her days outside mostly, although she still likes to come inside for a nap once in a while. She knows where I am and comes running to the door if something scares her. And she still goes to her goosesitter's when I'm away for longer stretches - she loves him so much and even recognizes his voice on the phone.
It was really special and so much fun raising an indoor gosling. But it was also stressful and very hard work, and I really don't miss it. I'm not sure I'll ever want to do it again. I can understand the man in the YouTube videos getting irritated - although I absolutely can't forgive him for dumping the poor goose.