I agree that the search function is pretty useless in UBB.threads. Interestingly, I am administrator of another forum which uses another product by the same company, Groupee. There, the search is very good. Admittedly, our forum is far smaller than that of LDW, both in number of posts and members. Although I'm no expert, I do know that searches can be very demanding on servers, and can considerably slow down the forum while the search is being carried out. For this reason the defaults are usually set to only carry out a minimum search unless specially requested. Similarly, to prevent people carrying out multiple searches and bringing the whole system to a grinding halt, there is often a limit on the number of searches that can be made in a specified time.
In other words, there is not much that can be done by LDW with the current software.
As mentioned, the issue of security of the board means that, alas, precautions have to be taken to prevent undesirable posts. Since the board covers games suitable for all ages, LDW must be very careful about access to the board, to prevent material appearing that is unsuitable for the younger members.
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To err is human; to arr is pirate.