Conservatism is also constantly evolving in practice - it just labels whatever its current dogma as "traditional values" regardless of historicity. The political history of abortion in US, and especially and attitudes towards it by the Republicans, is one spectacular example. Welfare is another - e.g. how many people are aware that Nixon of all people tried to pass UBI? (https://thecorrespondent.com/4503/the-bizarre-tale-of-presid...)