They delete your forum replies just because they want to be the ‘First’ to reply or decide that your answers aren’t complete (i could give you 2 names, but i’d prefer not) and want to offer their personal paid services by linking to their professional profiles (yes..).
Wao kufuta jukwaa majibu yako kwa sababu tu wanataka kuwa Kwanza ' ’ kujibu au kuamua kwamba majibu yako si kamili (i inaweza kukupa 2 majina, lakini ningependa hawapendi) na wanataka kutoa huduma zao binafsi kulipwa na kuunganisha na maelezo yao ya kitaalamu (ndiyo ..).