Is the introduction of beavers into Scotland a good idea?

Have you examined why there are those who want to see beavers returned?

This is the rationale for return contained on the website of the Scottish Beavers network:

The main reason why we want to see the return of beavers in Scotland is for their ecological importance. Ever since humans caused the extinction of beavers in Scotland around 400 years ago through over-hunting, there has been a major gap in the ecosystem.

Beavers are a crucial component of healthy, functioning wetlands and riparian woodlands because of their ability to create wetland habitat, and also because of the opportunities they create for other species.

Other mammals benefit as otters hunt in the beaver ponds and use abandoned burrows while water shrews and the rapidly decreasing water vole also share beaver burrows.

Dead wood in flooded woodland attracts invertebrates while providing feeding and nesting opportunities for birds. As well as creating a range of new wildlife habitats, damming has a significant impact on water quality throughout the river system. For example, sediments are slowed down and pollutants are oxidized when water seeping through the dam from the pond is aerated.

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You have to decide if that makes sense as it is based on those who are much closer to the issue which is local to Scotland.

I am not sure what you expect from anyone other than a Yes/No.

As a counterbalance to Fish, think of the effect on the famed salmon fisheries of Scotland. The dams themselves might not be an insurmountable barrier but the ponds warm the water and salmon like it cold.

You can never change just one thing in nature.

I don't know much about the background situation, so I can't comment much except to say that 400 years is not a very long time in environmental terms.

Yes it is a good idea. It gives the Scottish more variety in their food choices than just the road kill they now eat.