Labouchere is not a strategy that will guarantee a profit in the long run, but then again no strategy ever will. It is however a great choice for anyone who would like to greatly increase their chances of having a profitable session, while also being able to adjust the risk themselves by choosing lower or higher numbers in the sequence. In addition, the strategy is a very entertaining one as the roulette experience becomes much more interactive.
This could of course also be considered a downside for those who would find it bothering having to constantly write down and edit numbers. Another downside to the strategy is that the increased chance of winning is at the cost of the losses being much bigger once a losing session does occur.