Because on my newer display I found way too big default "crosshair" things, I was doing some research about changing them with other ones... UTRP did not work for some reason (I'm not gonna waste time for finding why something like that doesn't work), it was more simple to draw some needed crosshair types which are more suitable for my needs and these can be used anytime as long as Textures won't do any Accessed Nones

Known cons:
When a mod or a sort of add-on does advanced modifications to the HUD changing every detail, then you cannot deal with such custom things as long as that mod is taking control over all display.