I don't understand your point at all. Either you are a bit of a hypocrite or you have completely wild ideas of how the tax system works.
The meaning of "Tax breaks" include, tax allowances, tax deductions, tax statuses tax reliefs and tax credits etc
Non Dom Status is included in these.
There are hundreds, if not thousands of them
Some of them you get automatically, some you have to claim and some you declare and HMRC will check if you have correctly applied the legislation.
Are you honestly saying that anyone who has any of these tax breaks are selfish and shouldn't be benefiting from them?
If so, that 90% of the population.
None of these are "tax avoidance".
All of these tax breaks are open.
And they are deliberate.
They are available for anyone who qualifies for them.
If you qualify for Non Dom Status, then apply for it.
I don't know if you work or not.
Are you employed or self employed.
If so, you benefit from tax breaks.
In terms of PROMOTING them. As I say they are a fuck ton of them, it would would be a complete waste of money to have promotion campaigns on all of them, because not everyone meets the criteria for all of them.
▪︎If the tax break is applicable to a large portion of the population, such as ISA, then there they are promoted widely.
▪︎if the tax break is applicable to a selection of the population, such as salary sacrifice, then these are targeted promotions. Salary Sacrifice is only applicable for employees, so why would you waste money promoting to non-employees?
In the same vein, self employed people can claim tax deduction for buisness expenses, such as advertising costs. Employed people can't claim it, so it is of no value to them.
Again, there is a Research and Development Credit, unless you run a buisness that involves research and development, why would you want this promoted to everybody?
If you want to know about any Tax Breaks, just look at gov.uk, it's all there. None of it is hidden. And if it is applicable to yiu, you probably know about it already