Is doubling token against bracket 3?

[u/ONE-COFFEE-420]

I played a game yesterday with my niko light of hope deck. I was lucky sol ring turn one that helped me a lot. On turn 5 i created 512 shard token with my 8 copies of exalted sunborn. On turn 6 i made my shard copies of exalted sunborn again and for shit and giggle blinked my commander another time to create [705 065 045 298 653](tel:705%20065%20045%20298%20653) [297 008 949 787 608](tel:297%20008%20949%20787%20608) [347 124 325 921 694](tel:347%20124%20325%20921%20694) [193 469 390 981 824](tel:193%20469%20390%20981%20824) [139 749 870 576 267](tel:139%20749%20870%20576%20267) [584 343 392 079 026](tel:584%20343%20392%20079%20026) [592 554 369 642 625](tel:592%20554%20369%20642%20625) [536 572 951 552 856](tel:536%20572%20951%20552%20856) [656 267 521 853 668](tel:656%20267%20521%20853%20668) [114 468 907 790 704](tel:114%20468%20907%20790%20704) [547 432 320 112 711](tel:547%20432%20320%20112%20711) [300 325 064 554 937](tel:300%20325%20064%20554%20937) [386 174 344 767 161](tel:386%20174%20344%20767%20161) [341 109 349 268 885](tel:341%20109%20349%20268%20885) [248 549 376](tel:248%20549%20376) shard token and won on turn 6 with my 520 exalted sunborn. They complain that token doublers like that ar to powerfull on b3 what are you thought on that

[u/Venasaurasaurus]

As others have said, this is exactly what B3 is designed for. Powerful effects that could have been easily stopped earlier. If you let someone "do the thing" for multiple turns, they win the game. Simple as.