Well, it is a free and largely unregulated market, so speculators can speculate as much as they want. When Google launched the dev tld they discouraged this by

Well, it is a free and largely unregulated market, so speculators can speculate as much as they want. When Google launched the dev tld they discouraged this by making special domains premium, i.e. much more costly to acquire. Ideas like that could change the market, but who know's if that's ever going to happen (for tlds such as .com).