Because this means you can't use it in regulated industries, including vendors of companies in regulated industries. It means any company who buys Anthropic products can never sell services to a company who is in a regulated industry (or has customers in a regulated industry, or has customers who have customers who are in a regulated industry, etc etc).

> is a guaranteed end of the company.

It's trivially untrue. It could be the end of one type of business model, and it could slow their growth, but it could also be a blessing in disguise -- there are a lot of brilliant engineers who would prefer to work with an Anthropic that took a stand on ethics, and a lot of people who would prefer to support such a company. One door closes, another opens. They could become an open, public-facing, benevolent-AI company.