Conservatism makes no sense to me. If we think something will be better, try it. If it sucks, change it back. Obviously there are exceptions, but the insane fear of every new thing needs to stop.
Playing devil's advocate a bit, but sometimes I can see merit in some kinds of conservatism. People do seem to psychologically need a degree of continuity, in order to build communities or maintain a sense of identity. It bugs me, for example, that all the schools I went to in my childhood have since not only ceased to exist as institutions, but been physically demolished. The area I grew up in is unrecognisable to me, both phsyically and socially - it's been taken over by foreigners (by which I mean English people from outside the M25, generally with private-school accents). When a parent looked into their family history they found every single home their parents and grandparents and great-grandparents had ever lived in no longer physically existed.
All that is solid melts into air.
Areas with long-settled populations tend to be spared some of the social problems that come with churn and transience. Obviously there are upsides and downsides to that, as anyone whose ever been 'the only X in the village' will tell you (I used to know someone who grew up half-African mixed-race in Eastern Europe and was quite relieved to come to London and find everyone was 'mixed'). But there are also benefits to a lack of changes.
The other way I sometimes agree with conservatives is in distrusting mad, over-ambitious schemes and grand projects, that never work out as advertised. The invasion of Iraq and Afghanistan being cases in point. Or a great many government IT projects that went way over budget and failed to deliver (ironically, most of them promoted by the 'Conservative' party).
I mean, the 'Conservative' party is anything but conservative. It's a Liberal party, or was, before Boris started to turn it into a populist nationalist party.
At one point we had three liberal parties - the Conservatives, the Lib Dems and Blair's New Labour. What a wide range of choice.