>Can anyone really point me out the real problem about the immigrants?
This minimises the problem. The UK voters have consistently voted for reduced immigration, with polls showing the preferred number to be somewhere between 0-100,000. Those elected have consistently ignored them which has raised tensions.
In the last few years, the UK had around 1 million people net per year. 1 million people is bigger than most cities in the UK for comparison, so imagine a new city of people, every single year. The infrastructure could not, or did not keep up and has contributed to worse living standards through overly-subscribed national services, increased living costs, etc.
>for example the lack of funding of the NHS or the hyper funding of other initiatives such as war in Ukraine.
The NHS is already the single biggest expenditure of the UK's taxes. I remember it being more than 25% of the total budget. How much should be spent on the NHS? 50%? 90%?
The cost of defending democracy and freedom from a tyrannical Russia is also barely a drop in the bucket, while having huge meaning for many. Only 2% of the budget for the entire Armed forces, let alone just some support for Ukraine, compared to the 25+% on NHS. It's nothing.