The Government should remove the current financial requirements and fees for spouses of British nationals where they have been married for over 6 years and are able to meet strict evidence requirements that they are in a durable relationship with their British partner.
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You don't want anyone gaming the system, but after several years of marriage/ solid evidence of a durable relationship it should be fine.
I am in the absurd situation where I am British, my children are British, but my wife has to pay £1538 just for the first spouse visa, and from £1560 - £2350 for the NHS surcharge. I also have to prove I earn over the £18600 threshold, which means I'll need to return to the UK without my wife until I have evidence that I've earned over this threshold for six months.
I understand the above rules for newlyweds but not serious married couples where there is clear evidence of a durable and genuine marriage