[The Might]

I think that there is nothing to say that technology itself is seen as bad, but forced technologization (hope that is a word) is.
For example a place like the Shire where all the inhabitants live in the middle of nature industrialization brings chaos and damages the fragile balance of society.

Good examples...what about all the smithing works, like mithril and steel gates for Minas Tirith...the Dwarves were really advanced with their knowledge.

In order to build cities like Gondolin or Minas Tirith quite advanced knowledge of masonry was required and although it is never really explained how the cities were built it is easy to think they had cranes and pullies like the Romans.