In your other thread, in my very first response to you, it was made perfectly clear that those rewards were for completing chapters 2, 3 and 4 of the Season Journey, and I told you how to view the tasks in the Journey…
Also in that response, I gave you a link to…
Help for new or returning players
One of the links contained in that thread is this…
Beginner’s Guide to Seasons in Diablo 3
…which has an entire section dedicated to Haedrig’s Gifts, and says…
Completion of seasonal chapters II, III and IV yields Haedrig’s Gifts, a cache-like reward that drops two pieces of a fixed class-specific set. With the completion of these chapters, you will have a full 6 piece set bonus available to you, skyrocketing your character power well into the mid-to-high Torments. This makes the early portion of the Seasonal Journey your first priority upon reaching max level.
Your reaction to being provided with this advice was to reject it as you didn’t want to spend time reading a guide.
In response to your incredulity that set armour might make a big difference to your damage, I posted this which, again, tells you that you get the armour pieces for completion of chapters 2, 3 and 4 of the Season Journey…
People have continued to attempt to help you.
They’re probably just getting tired of you not reading the help they’ve provided.