The Ethics of owning a long lived animal

Hello, I have been researching a lot about tortoise care in the hopes of getting my first in about 5 years. I came across a clip of an animal sanctuary talking about how they do not recommend tortoises as pets because you have no idea what your life will be in 30 or 50 years and the turtle is utterly reliant on you to survive. I've looked into rescues but they all have warnings that most of the tortoises will have some degree of metabolic bone disease from improper conditions before they were surrendered. I think that route is not for me as it'll be my first time owning a reptile. I'm stuck on the ethics here, is it wrong to contribute to the industry when so many will be mistreated? Or am I thinking about this way too hard. Thanks