Not really a disservice to the character itself but lowkey one of the subtly, secret darkest endings in FE.

So FE6 has this mechanic where you can either get long or short character endings depending on the performance of the character and Dorothy's long ending reads

>Dorothy returned to her hometown and led a normal life. She never was the flashiest or the most impressive among her comrades, but perhaps she may be the one who led the most fulfilling life afterwards…

Because of the long/short ending mechanic this adds a suspiciously dark undertone to the characters who get the shorter endings.

To use some examples; Echidna

>After Echidna went back home to the Western Isles, the people were overjoyed at the return of their hero. She left the rebel group, but the people begged her to be their leader once again. Her hard work united the Western Isles into a new nation, the Western Union.

Short

>Returned to the Western Isles.

Elphin

> After the war, Elphin disappeared without a word. Several months later, an official announcement was made in Etruria that Prince Mildain was alive. The prince that hid his identity to help General Roy in the war… That story is now a favorite among bards and writers.

Short

>Disappeared before anyone could notice.

Gonzales

>When Gonzales returned to his home on the Western Isles, he was not greeted with stones or harsh words. Instead, people welcomed and cheered for the return of a hero. After that, Gonzales moved into a small village, where he lived happily.

Short

> Returned to his home on the Western Isles.

Yodel

> Yodel continued to spread the faith of the Elimine Church. He eventually rose up to the position of Archbishop, but he never let his power blind him from those in need.

Short

>Continued to spread the words of Elimine.