I am working on the project where I also have to scrape a lot of information about a user(posts/tweets/statuses, photos, friends, etc) on the social networks(g+

I am working on the project where I also have to scrape a lot of information about a user(posts/tweets/statuses, photos, friends, etc) on the social networks(g+, twitter, facebook, youtube, etc) All these limitations are really annoying. Errors are expected almost on every API call (timeout, 5xx errors, host not found, new fields on data structure, etc). The scraper should be smart enough to support all these caveats. What I do not understand is why these major players do not want to introduce API for money? I am ready to pay for it and I know a lot of people who also are ready to pay for it. But please, remove these limitations and make your APIs more stable.