To be honest, I don’t think this is such a “big thing”. The developers are aware of this, and the rewards of the tutorial and some achievements have been reduced multiple times, in order to prevent players from abusing it.
However, since the rewards are kind of low, I doubt that a player will spend so much time on creating so many new accounts in order to gain a few gems or bytes from doing this.
If he got 5k byte coins in a day by doing that he must’ve done it for hours lol. It’s not something I would personally do, honestly. Fishing my way through it gets me more profit. Or mining… or anything else really. Creating 100 new accounts is a real pain…
I give 4 Examples how to earn in day more than 5k bc.
buy cheap bonus roll items and sell after gone off when price is rising.
playing Nether (20-30 times/day 5 mins average time with team), 20x40 = 800-1200 nether crystals
average in this time get 100 nether souls + gems 450-600 gems / time 525x25 =31k gems (turn bcs 1k /120) 3720 bc+ 1300 from Nether Crystals = 5020 bc + Snails&pebbles 200 bc (income for 3h work 5220 bc)
Breakig SB u can make with spending 3h breaking Spikebombs 22 min (2200 blocks), 2200blocks give average 3 gems each = 6600 gems (22mins), 10 times for 3 hours perioid 66 000 gems.
same value 1k / 120 bc = 7920 + Seed bonus (1,2k for this amount of blocks to breaken 800 bc) + pouches , snails , pebbles (300bc) = 9020 bc for 3 h perioid.
Make BSP or ASP or Lure Shop this requires u have good prices and being present 3h-5h / day. Depends on ur style and possible connected to fishing worlds. Ham radio helps a lot.
*Reason why Nether value is higher than Gems originally price due its fastest way to get collect gems achievement.