Well to put things in perspective, with kage treasure (due to the immense popularity), the first seal rebate came out after like 6 weeks (after a teaser 180 rebate that was significantly worse), making those that needed it pay pretty much full price and not get rebates.
With reanimated, its been barely a month (since it came out 27th april), and there have been 3 seal rebates in that time to try and entice people to draw, since many people are skipping this.
If jinchuriki changes meta like it is expected, dont expect a seal rebate anytime soon :P
On a side note...finally got tenten gnw from a free draw, haha :D Now to pray for hinata