As a Player I'm not against Min/Maxing, and do it myself, although I do dislike having an 8 for an attribute - I just dislike having a penalty on any stat, even at the cost of bumping something else up.
As a GM, I'm ambivalent about it. I can't really complain about someone doing it as I do it myself, but if someone has a very low stat, or more than one, then I'm going to make sure that it gets rolled against reasonably often. If they want to be weak in an area then that will have an effect on what the PCs are doing. I find it highly amusing when some of my players have a dump stat and then desperately try to rationalise never actually using for anything. "My Wisdom is high, so I can use Survival instead of Nature" Sorry No. "My Dex is High so Acrobatics replaces Athletics for any physical check" Also No. I like using Investigation and History quite a lot because several Players have dumped Int, and it's a good way of reminding them of the fact.
As an aside, why do so many people consider an 8 in a Stat as only slightly below average? If you use the Standard Array then the average is 12, if you points buy it's between 12 and 13, and if you roll using the 4d6, discard the lowest it's around 12. 8 is the lowest a standard PC/NPC can have in a stat in 5E. It isn't slightly low, it's the rock bottom.
As a GM, I'm ambivalent about it. I can't really complain about someone doing it as I do it myself, but if someone has a very low stat, or more than one, then I'm going to make sure that it gets rolled against reasonably often. If they want to be weak in an area then that will have an effect on what the PCs are doing. I find it highly amusing when some of my players have a dump stat and then desperately try to rationalise never actually using for anything. "My Wisdom is high, so I can use Survival instead of Nature" Sorry No. "My Dex is High so Acrobatics replaces Athletics for any physical check" Also No. I like using Investigation and History quite a lot because several Players have dumped Int, and it's a good way of reminding them of the fact.
As an aside, why do so many people consider an 8 in a Stat as only slightly below average? If you use the Standard Array then the average is 12, if you points buy it's between 12 and 13, and if you roll using the 4d6, discard the lowest it's around 12. 8 is the lowest a standard PC/NPC can have in a stat in 5E. It isn't slightly low, it's the rock bottom.