it probably depends on the single player experience.
for my entire life I've mostly played 4 strings, tried the 5 for a while but didn't get me, so I went back to only 4. then I tried a 6-string bass, and found it easier to play than a 5-string, because I could clearly have the "4-string-bass" in the center of the freboard, and adding two strings at the edges was, for me, easier to visualize.
I played the 6-string for a couple of years, leaving the 4 in the cases, but being mostly a Precision guy I couldn't find a "simple 6 string" with a passive split coil pickup, and gradually re-introduced the 4, until I found out that for me, for what I play and how I play, lower and higher strings aren't necessary; they can be useful, but not necessary, and so I put the 6 in the case and rarely used it, until I found out that using it only few times wasn't a thing, because I lost the "muscular memory" to play it with ease.
now I only have 4 strings basses, I never go below the E (sometimes a D, but I have a bass with the D-tuner) and that's it.