In my experience, it's been a mix of both, but I'm curious to get OP's opinions on this topic.
Wixii aan ka filayay in shir-saxaafadeedkan ka soo bixi doonaan wax ka duwan ayaa dhagaheyga ku soo dhacayay, waxaan aad ula yaabay hadalada labada masuul ay kaga hadleen arrimahan.