Why doesn't Britain accept immigrants?

Hello, there are two immigration policies in Britain:

1. British investment immigrants: invested 2 million pounds and obtained the right of abode in the UK;

1. Principal applicant 18 years old, no criminal record, and the child's age cannot exceed 18 years old;

2. The applicant has 2 million pounds of liquidity in his name;

3, 2 million pounds to invest in British financial products;

4. If you invest in the UK within three months after landing, you can continue to have the right of abode as long as you keep your investment.

Second, the British entrepreneur immigrants:

1. Principal applicant 18 years old or above, with no criminal record;

2. Invest 200,000 pounds to start your own business or become a shareholder of a British company;

3. IELTS 4 or above, or bachelor degree or above in overseas English teaching.