Yep, those concerns sounds pretty right Elynor. I guess I'm also somewhat confused about how there is a loophole. If someone has valid, legally-obtained leave in one category and has plenty of time left, but for whatever valid, legal reason wants to switch to another category (eg from work permit to Tier 1 for flexibility/protection in case of job loss, or gets genuinely married and wants to partake of the benefits of being a spouse), how is that open to massive abuse? Let's say someone on a student visa gets married halfway through his course- if the spouse applications fails, for instance because of finance, he would then be forced to quit his course- indeed, would have to quit while the application was pending, and would thus be in breach of his initial leave, and not only be an overstayer, but also could be seen as having contrived to frustrate the rules and can be banned! Oh, and this still would not prevent them from having an Article 8 case, so all it does is clog up the system and mess with people's lives. This is an extreme worst-case scenario I know, but the last year spent on immigration forums has taught me to expect the worst from the HO
