You over simplifying. Manufacture is an extremely competitive world. Cost and scale of it figures. Getting the initial growth in sales needed isn't easy. There isn't much a gov can do about that.
The main problem with politics in my opinion is various narrow minded views. It tends to attract a number with that problem. Also a change in campaign methods. The right in particular have been leading on that. It's all getting a bit Trumpish and he might even have got some of his ideas from here.
Oz too. All that is needed to get elected is a nice hook, ideally no more than 3 words. I've over simplified but it is much used.
Then derisive politics - even within the Tory at the moment. Labour have periods of it but good grief with what's going on in the Tory at the moment. They groups of fanatics. Several of them.